BI-STABLE DISPLAY BASED OFF-SCREEN KEYBOARD

摘要

A display based keyboard is described herein. The display based keyboard includes a bi-stable segmented-based display, a master controller, and a display driver. The bi-stable segmented-based display may include a front barrier layer, a top plane layer, a display technology specific layer, a back plane layer, and a rear barrier layer.

主权项

1. A segmented display for an off-screen keyboard, the segmented display comprising:
a top plane layer comprising an electrode; a layer comprising a bi-stable material; and a back plane layer comprising a plurality of electrodes, each electrode of the plurality of electrodes forming a segment of the segmented display, wherein the segment comprises a part of a character on the off-screen keyboard in response to the segment being activated by a change in the bi-stable material, the change in the bi-stable material to be caused by a difference between a voltage of the electrode on the back plane layer corresponding to the segment and a voltage of the electrode comprising the top plane layer.